import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter11 Dem1o Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
  final String title;
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  void _incrementCounter() {
    setState(() {
      _counter++;
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
        // child: Text(
        //   'hello jscheng sdfsdf sadf safd sadfsdf saf saf saf sadfasdf asf safd sd',
        //   textAlign: TextAlign.center,
        // ),
        child: Container(
          child: Text('hello 1212'),
          alignment: Alignment.topLeft,
          // mainAxisAlignment: MainAxisAlignment.start,
          // children: Container(),
          // color: Color.fromARGB(100, 100, 1, 10),
          // <Widget>[
          //   Text('You have pushed this$_counter times1:',
          //       textAlign: TextAlign.left,
          //       overflow: TextOverflow.ellipsis,
          //       maxLines: 1,
          //       style: TextStyle(
          //           fontSize: 25.0, color: Color.fromARGB(255, 250, 0, 0))),
          //   Text(
          //     '$_counter',
          //     style: Theme.of(context).textTheme.headline4,
          //   ),
          // ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}
